Search
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

Sine Cosine and TAngent of Obtuse Angles

Author:Jamie Moodie
Topic:Angles, Cosine, Sine
In this activity, you will use GeoGebra to drag point A to create each listed primary angle B. Then, use the side lengths and your calculator to determine the value of each primarytrigonometric ratio in the chart.

New Resources

  • AI for worksheet development
  • seo tool
  • AI for Math Teachers (prompt examples)
  • Cartesian Notation of a Vector
  • Untitled

Discover Resources

  • S S A Similarity Shortcut
  • Sketching the Gradient Function
  • Mickey
  • Slider potenca
  • จำนวนจริงบวก

Discover Topics

  • Geometric Transformations
  • Similarity Transformation or Similarity
  • Symmetry
  • Rectangle
  • Planes
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®